Supplier Page from Aladdin Scientific Corporation for Citric acid monohydrate
3-Bromo-1-propanethiol Acetate from Aladdin Scientific Corporation
3-Buten-1-amine from Aladdin Scientific Corporation
O-tert-Butyl-L-threonine tert-Butyl Ester from Aladdin Scientific Corporation
Trifluoroacetic acid - Triethylamine 2M:2M solution from Aladdin Scientific Corporation